Romania is located in Eastern Europe, with Romanian as its official language. Key facts about Romania include its population of over 19 million, capital of Bucharest, and national day of December 1st. Romania has a temperate climate and terrain that is evenly split between mountains, hills, and plains. The largest ethnic groups are Romanian, Hungarian, and Roma, with most practicing Eastern Orthodox Christianity. Notable attractions include painted monasteries, fortified churches, medieval towns, and wooden churches in Maramureș.